Development of two-cell hamster embryos to live young following transfer.

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  • KASAI Kenkichi
    Laboratory of Biology, Faculty of General Education, Meiji Gakuin University
  • HASHIMOTO Hajime
    Laboratory of Biology, Faculty of General Education, Meiji Gakuin University
  • SASAKI Atsuhisa
    Laboratory of Biology, Faculty of General Education, Meiji Gakuin University

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Other Title
  • 偽妊娠受容雌の卵管へ移植されたハムスター2細胞期胚の新生仔への発生について
  • ギニンシン ジュヨウ メス ノ ランカン エ イショクサレタ ハムスター2 サ

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The two-cell hamster embryos were transferred into the oviduct of pseudopreg-nant foster mothers through the infundibulum with a fine glass capillary pipette. Modified Krebs-Ringer's solution (280+Hepes) and tissue culture medium (TC-199) were used for the recovery and transfer of the embryos.<BR>When two-cell embryos were transferred into the oviducts of foster females on Day-1 of pseudopregnancy, about 42% of the fosters became pregnant and about 10% of the transferred embryos developed into live young.<BR>None of the females receiving embryos on Day-2 of pseudopregnancy became pregnant.

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